<?php

namespace Pusher;

use GuzzleHttp\Exception\GuzzleException;
use GuzzleHttp\Promise\PromiseInterface;

interface PusherInterface
{
    /**
     * Fetch the settings.
     *
     * @return array
     */
    public function getSettings();

    /**
     * Trigger an event by providing event name and payload.
     * Optionally provide a socket ID to exclude a client (most likely the sender).
     *
     * @param array|string $channels        A channel name or an array of channel names to publish the event on.
     * @param string       $event
     * @param mixed        $data            Event data
     * @param array        $params          [optional]
     * @param bool         $already_encoded [optional]
     *
     * @throws PusherException   Throws exception if $channels is an array of size 101 or above or $socket_id is invalid
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function trigger($channels, string $event, $data, array $params = [], bool $already_encoded = false): object;

    /**
     * Asynchronously trigger an event by providing event name and payload.
     * Optionally provide a socket ID to exclude a client (most likely the sender).
     *
     * @param array|string $channels        A channel name or an array of channel names to publish the event on.
     * @param mixed        $data            Event data
     * @param array        $params          [optional]
     * @param bool         $already_encoded [optional]
     *
     */
    public function triggerAsync($channels, string $event, $data, array $params = [], bool $already_encoded = false): PromiseInterface;

    /**
     * Trigger multiple events at the same time.
     *
     * @param array $batch           [optional] An array of events to send
     * @param bool  $already_encoded [optional]
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function triggerBatch(array $batch = [], bool $already_encoded = false): object;

    /**
     * Asynchronously trigger multiple events at the same time.
     *
     * @param array $batch           [optional] An array of events to send
     * @param bool  $already_encoded [optional]
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     *
     */
    public function triggerBatchAsync(array $batch = [], bool $already_encoded = false): PromiseInterface;

    /**
     * Get information, such as subscriber and user count, for a channel.
     *
     * @param string $channel The name of the channel
     * @param array  $params  Additional parameters for the query e.g. $params = array( 'info' => 'connection_count' )
     *
     * @throws PusherException   If $channel is invalid or if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function getChannelInfo(string $channel, array $params = []): object;

    /**
     * Fetch a list containing all channels.
     *
     * @param array $params Additional parameters for the query e.g. $params = array( 'info' => 'connection_count' )
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function getChannels(array $params = []): object;

    /**
     * Fetch user ids currently subscribed to a presence channel.
     *
     * @param string $channel The name of the channel
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function getPresenceUsers(string $channel): object;

    /**
     * GET arbitrary REST API resource using a synchronous http client.
     * All request signing is handled automatically.
     *
     * @param string $path   Path excluding /apps/APP_ID
     * @param array  $params API params (see http://pusher.com/docs/rest_api)
     * @param bool   $associative When true, return the response body as an associative array, else return as an object
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     * @return mixed See Pusher API docs
     */
    public function get(string $path, array $params = [], bool $associative = false);

    /**
     * Creates a socket signature.
     *
     * @param string $channel
     * @param string $socket_id
     * @param string|null $custom_data
     * @return string Json encoded authentication string.
     * @throws PusherException Throws exception if $channel is invalid or above or $socket_id is invalid
     */
    public function socketAuth(string $channel, string $socket_id, string $custom_data = null): string;

    /**
     * Creates a presence signature (an extension of socket signing).
     *
     * @param mixed  $user_info
     *
     * @throws PusherException Throws exception if $channel is invalid or above or $socket_id is invalid
     *
     */
    public function presenceAuth(string $channel, string $socket_id, string $user_id, $user_info = null): string;

    /**
     * Verify that a webhook actually came from Pusher, decrypts any
     * encrypted events, and marshals them into a PHP object.
     *
     * @param array  $headers a array of headers from the request (for example, from getallheaders())
     * @param string $body    the body of the request (for example, from file_get_contents('php://input'))
     *
     * @throws PusherException
     *
     * @return Webhook marshalled object with the properties time_ms (an int) and events (an array of event objects)
     */
    public function webhook(array $headers, string $body): object;

    /**
     * Verify that a given Pusher Signature is valid.
     *
     * @param array  $headers an array of headers from the request (for example, from getallheaders())
     * @param string $body    the body of the request (for example, from file_get_contents('php://input'))
     *
     * @throws PusherException if signature is incorrect.
     */
    public function verifySignature(array $headers, string $body);


    /*******************************************************************
     *
     * DEPRECATION WARNING:
     *
     * all the functions below have been deprecated in favour of their
     * camelCased variants. They will be removed in the next major
     * update.
     */

    /**
     * Get information, such as subscriber and user count, for a channel.
     *
     * @deprecated in favour of getChannelInfo
     *
     * @param string $channel The name of the channel
     * @param array  $params  Additional parameters for the query e.g. $params = array( 'info' => 'connection_count' )
     *
     * @throws PusherException   If $channel is invalid or if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function get_channel_info(string $channel, array $params = []): object;

    /**
     * Fetch a list containing all channels.
     *
     * @deprecated in favour of getChannels
     *
     * @param array $params Additional parameters for the query e.g. $params = array( 'info' => 'connection_count' )
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function get_channels(array $params = []): object;

    /**
     * Fetch user ids currently subscribed to a presence channel.
     *
     * @deprecated in favour of getPresenceUsers
     *
     * @param string $channel The name of the channel
     *
     * @throws PusherException   Throws exception if curl wasn't initialized correctly
     * @throws ApiErrorException Throws ApiErrorException if the Channels HTTP API responds with an error
     * @throws GuzzleException
     *
     */
    public function get_users_info(string $channel): object;

    /**
     * Creates a socket signature.
     *
     * @deprecated in favour of socketAuth
     *
     * @param string $channel
     * @param string $socket_id
     * @param string|null $custom_data
     * @return string Json encoded authentication string.
     * @throws PusherException Throws exception if $channel is invalid or above or $socket_id is invalid
     */
    public function socket_auth(string $channel, string $socket_id, string $custom_data = null): string;

    /**
     * Creates a presence signature (an extension of socket signing).
     *
     * @deprecated in favour of presenceAuth
     *
     * @param mixed  $user_info
     *
     * @throws PusherException Throws exception if $channel is invalid or above or $socket_id is invalid
     *
     */
    public function presence_auth(string $channel, string $socket_id, string $user_id, $user_info = null): string;

    /**
     * Verify that a given Pusher Signature is valid.
     *
     * @deprecated in favour of verifySignature
     *
     * @param array  $headers an array of headers from the request (for example, from getallheaders())
     * @param string $body    the body of the request (for example, from file_get_contents('php://input'))
     *
     * @throws PusherException if signature is incorrect.
     */
    public function ensure_valid_signature(array $headers, string $body);
}

• [F] ApiErrorException.php
  Delete
• [F] Pusher.php
  Delete
• [F] PusherCrypto.php
  Delete
• [F] PusherException.php
  Delete
• [F] PusherInstance.php
  Delete
• [F] PusherInterface.php
  Delete
• [F] Webhook.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard